Initial dumb servers

server/config/new.go

@@ -0,0 +1,28 @@
+package config
+
+import (
+	"local/storage"
+	"os"
+)
+
+func New() error {
+	config = Config{
+		db:       orEnv(storage.MAP.String(), "DB", "DATABASE"),
+		Addr:     orEnv("", "ADDR", "FILE"),
+		Username: orEnv("", "USER", "USERNAME"),
+		Password: orEnv("", "PASS", "PASSWORD"),
+		Port:     orEnv("21412", "PORT", "LISTEN"),
+	}
+	DB, err := storage.New(storage.TypeFromString(config.db), config.Addr, config.Username, config.Password)
+	config.DB = DB
+	return err
+}
+
+func orEnv(def, key string, keys ...string) string {
+	for _, key := range append(keys, key) {
+		if v, ok := os.LookupEnv(key); ok {
+			return v
+		}
+	}
+	return def
+}